This Wiki page is edited by participants of the WCAG Working Group. It does not necessarily represent consensus and it may have incorrect information or information that is not supported by other Working Group participants, WAI, or W3C. It may also have some very useful information.
Using Aria role=dialog to implement a modal dialog box
From WCAG WG
(Redirected from Using Aria role=dialog to expose a custom dialog (pop-up div box))